Re: [PATCH RFC] driver core: Ensure DT devices always have fwnode set

[Mark Brown]

On Mon, Nov 09, 2020 at 11:25:39AM -0600, Rob Herring wrote:
> On Fri, Nov 6, 2020 at 1:09 PM Saravana Kannan <saravanak@xxxxxxxxxx> wrote:

> > And all the subsystems that create their own device from an of_node
> > should use of_set_device_of_node() to set the device's of_node. That
> > way, all this is done in a consistent manner across subsystems and
> > avoid all of the of_get/put() and OF_POPULATED set/clear strewn all
> > over the subsystems.

> Perhaps a fwnode call in device_add instead that implements the above
> and anything else needed for each type of fwnode. It might even be
> possible with that to get rid of most of

I'd suggested doing it with a callout as well in the original thread
that sparked my proposal - my patch was just the most minimal
implementation to fix the current problem.

> of_platform_device_create_pdata() and of_device_add(). IIRC, those
> were pretty much copies of the core code.

> That would also be less fragile than having a coccinelle script.

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